La Grange

The La Grange is a gold mine located in Stanislaus county, California at an elevation of 174 feet.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

Name: La Grange

State:  California

County:  Stanislaus

Elevation: 174 Feet (53 Meters)

Commodity: Gold

Lat, Long: 37.66639, -120.46944

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the La Grange

La Grange MRDS details

Site Name

Primary: La Grange
Secondary: Tuolumne River


Commodity

Primary: Gold
Secondary: Platinum
Tertiary: Iridium
Tertiary: Osmium


Location

State: California
County: Stanislaus


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Owner Name: Tuolumne Gold Dredging Corp.
Years: 1945 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Stream Placer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough


Mineral Deposit Model

Model Name: Placer Au-PGE


Orebody

Form: STREAM SEDIMENT DEPOSITS


Structure

Not available


Alterations

Not available


Rocks

Name: Gravel
Role: Host
Age Type: Host Rock Unit
Age Young: Eocene

Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene


Analytical Data

Analytical Data: PGE SAMPLES AVERAGED: 72% PT, 18% OSMIRIDIUM (LOGAN)


Materials

Ore: Gold


Comments

Comment (Location): LOCATION GIVEN IS FOR MILE 50 MARKER ON RIVER NEAR TOWN OF LA GRANGE, SHOWN ON LA GRANGE TOPO MAP

Comment (Production): 0.00003 OZ/TON (1 PPB) PT. IN 1920'S AU = $.116/YD BUT LATER RECOVERIES WERE PROBABLY LESS

Comment (Deposit): A PLEISTOCENE RIVER CHANNEL 2 MI SOUTH OF LA GRANGE WAS ALSO DREDGED 1.5 MI LONG AND 0.25 MI WIDE.

Comment (Workings): HYDRAULIC AND DREDGING

Comment (Geology): FALSE BEDROCK OF VOLCANIC ASH


References

Reference (Deposit): CLARK, W.B., 1970, GOLD DISTRICTS OF CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 193, P. 85-86.

Reference (Deposit): LOGAN, C.A., 1919, PLATINUM AND ALLIED METALS IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 85, P. 33

Reference (Deposit): CLARK, W.B., 1970, PLATINUM: CALIFORNIA DIVISION OF MINES AND GEOLOGY MINERAL INFORMATION SERVICE, V. 23, NO. 6, P. 115-123.


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.